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/*
* Copyright (C) 2007, 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SQLTransaction_h
#define SQLTransaction_h
#include "bindings/core/v8/ScriptWrappable.h"
#include "modules/webdatabase/SQLCallbackWrapper.h"
#include "modules/webdatabase/SQLStatement.h"
#include "modules/webdatabase/SQLTransactionStateMachine.h"
#include "platform/heap/Handle.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
namespace blink {
class Database;
class ExceptionState;
class SQLErrorData;
class SQLStatementCallback;
class SQLStatementErrorCallback;
class SQLTransactionBackend;
class SQLTransactionCallback;
class SQLTransactionErrorCallback;
class SQLValue;
class VoidCallback;
class SQLTransaction FINAL
: public ThreadSafeRefCountedWillBeGarbageCollectedFinalized<SQLTransaction>
, public SQLTransactionStateMachine<SQLTransaction>
, public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
static PassRefPtrWillBeRawPtr<SQLTransaction> create(Database*, PassOwnPtrWillBeRawPtr<SQLTransactionCallback>,
PassOwnPtrWillBeRawPtr<VoidCallback> successCallback, PassOwnPtrWillBeRawPtr<SQLTransactionErrorCallback>,
bool readOnly);
~SQLTransaction();
void trace(Visitor*);
void performPendingCallback();
void executeSQL(const String& sqlStatement, const Vector<SQLValue>& arguments,
PassOwnPtrWillBeRawPtr<SQLStatementCallback>, PassOwnPtrWillBeRawPtr<SQLStatementErrorCallback>, ExceptionState&);
Database* database() { return m_database.get(); }
PassOwnPtrWillBeRawPtr<SQLTransactionErrorCallback> releaseErrorCallback();
// APIs called from the backend published:
void requestTransitToState(SQLTransactionState);
bool hasCallback() const;
bool hasSuccessCallback() const;
bool hasErrorCallback() const;
void setBackend(SQLTransactionBackend*);
private:
SQLTransaction(Database*, PassOwnPtrWillBeRawPtr<SQLTransactionCallback>,
PassOwnPtrWillBeRawPtr<VoidCallback> successCallback, PassOwnPtrWillBeRawPtr<SQLTransactionErrorCallback>,
bool readOnly);
void clearCallbackWrappers();
// State Machine functions:
virtual StateFunction stateFunctionFor(SQLTransactionState) OVERRIDE;
bool computeNextStateAndCleanupIfNeeded();
// State functions:
SQLTransactionState deliverTransactionCallback();
SQLTransactionState deliverTransactionErrorCallback();
SQLTransactionState deliverStatementCallback();
SQLTransactionState deliverQuotaIncreaseCallback();
SQLTransactionState deliverSuccessCallback();
SQLTransactionState unreachableState();
SQLTransactionState sendToBackendState();
SQLTransactionState nextStateForTransactionError();
RefPtrWillBeMember<Database> m_database;
RefPtrWillBeMember<SQLTransactionBackend> m_backend;
SQLCallbackWrapper<SQLTransactionCallback> m_callbackWrapper;
SQLCallbackWrapper<VoidCallback> m_successCallbackWrapper;
SQLCallbackWrapper<SQLTransactionErrorCallback> m_errorCallbackWrapper;
bool m_executeSqlAllowed;
OwnPtr<SQLErrorData> m_transactionError;
bool m_readOnly;
};
} // namespace blink
#endif // SQLTransaction_h
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